GAYANA is a scientific journal published by Universidad de Concepción, Chile. It is the modern version of Gayana Oceanología and Gayana Zoología. Therefore its numeration starts at volume 63(1).GAYANA covers all aspects of zoology and oceanographic research. It is structured in five sections, defined by subject or discipline: Ecology, Biodiversity and Taxonomy, Earth Sciences, Evolutionary, and Applied Biology and Environmental Biology. Each section is in charge of an editor who receives and manages the manuscripts sent for evaluation in close collaboration with the editorial board.